Abstract: A computerized chart recorder is revealed, comprises a signal conversion unit, an operation control unit, a printing control unit, and a database. A signal conversion unit receives measurement signals of a measurement instrument, and converts the measurement signals to signal conversion data. A operation control unit receives the signal conversion data required for printing, produces corresponding chart data, and prints the curve of signal variations, which can be also displayed on a human-machine interface unit. Whether to store the data or to print can be determined. Besides, the data can be also transmitted to a printing control unit. When the printing control unit is activated, it can receive the chart data and the quality assurance data, and control a printing unit to emulate the chart recorder for executing chart recording. In addition, the quality assurance data can be printed as well for complying with the requirements of the quality-assurance operations.

Abstract: An inkjet printing system includes a platen adapted to support a print media, a printhead adapted to eject ink into a print zone between the printhead and the platen toward the print media and beyond a first edge of the print media to generate waste ink, a first absorber formed in the platen within the print zone such that the first absorber is adapted to extend beyond the first edge of the print media and absorb the waste ink ejected beyond the first edge of the print media, and a second absorber adapted to contact and absorb the waste ink from the first absorber, wherein the first absorber has a first capillary head and the second absorber has a second capillary head greater than the first capillary head.

Abstract: The present invention relates to a dot array recorder having a dot array head carrying an array of the dot printing elements arranged in a plurality of groups, and for effecting dot printing at positions corresponding to the levels of an input print signal. The dot array recorder also includes an LED array having a plurality of LEDs arranged at positions corresponding to the groups of the dot printing elements, wherein the LED belonging to the group of dot printing elements having the element corresponding to the level of an input print signal, illuminates. Marks are provided on the LED array surface at positions between pairs of LEDs on both sides of a reference line and other graduation lines.

Abstract: A recorder which records analog input waveforms and converts analog input data into digital data at regular intervals and at selected times records the digital data in the form of a list of data along side of the analog input waveforms together with the time and other information. When analog waveforms and characters are recorded in side-by-side relation, the speed at which the paper is fed is changed from that employed when only analog waveforms are recorded, whereby the list of data can be quickly recorded.

Abstract: A digital All-Points Addressable (APA) Printer/Image Copier system is disclosed and claimed which provides both the image manipulation capability of an APA and the direct copying capability of an analog image copier in one device. The preferred embodiment of the present invention employs a dot-matrix electro-erosion printing apparatus.

Abstract: A line printer adapted for use recording analog signals, includes a plurality of printing elements arranged side by side in a row, wherein they are located close to each other one after another, an output head carrying the printing elements such that they are individually and selectively driven, a paper feeding device allowing a paper to be fed perpendicularly to the row of the printing elements, a pair of registers for storing the maximum data and the minimum data received for a give period of time, and means for driving the output head so as to cause the printing elements to be driven at the same time correspondingly to the maximum data, the minimum data and data interlocated therebetween.

Abstract: A multistylus recorder uses a recording head having a plurality of side-by-side styli extending across the width of a recording medium which is driven at right angles to the recording head. The recording styli are individually energized to provide a recording on the recording medium using a digital control system for storing addresses of the recording styli to be energized whereby the recording styli are energized from the lowest to highest stored addresses. The recording system uses a minimum to maximum, min-max, accumulator to configure the digital data obtained from an analog-to-digital (A/D) converter representative of an input signal applied to the A/D converter into a format suitable for energizing the multistylus recording head, i.e.

Abstract: A line printer attachment for converting a display screen copier printer to a line printer. The last or extra line of the display is used as the line print buffer. An initiate print signal is generated upon detecting that the last or extra line is to be scanned. The initiate print signal is used to blank or inhibit the serial video data from the display screen and to enable the printer. The serial video data is constantly sent to the printer attachment but is ignored until the printer is enabled. With the printer enabled, printing takes place using the line print buffer data which has been serialized as serial video data. The print buffer data remains unchanged during the entire printing of the line where the printing is done in series of horizontal lines to complete the printing of a line. At the end of each horizontal line of print a vertical screen retrace occurs and the display screen is swept where again the last or extra line is detected and another initiate print signal is generated.

Abstract: A convenient hard copy output of a cathode ray tube (CRT) screen display is provided by a thermal printer which prints a line of dots equal in number to the number of dots in one raster scan on the CRT screen by printing the serial digital information in one such raster scan, as generated by the display device prior to incorporation into a composite video signal, during each refresh cycle of the screen until the entire screen content has been reproduced. Use of one line during each refresh cycle enables the reproduction of the screen content by gating the serial data from the display control circuitry without the need for a separate character generator or the related circuitry and also accommodates the use of an interlaced raster.

Abstract: A CRT hard copy apparatus for sampling a picture signal from a CRT display and for recording the sampled signal on a recording paper. In order to obtain a suitable CRT hard copy for both kinds of CRT display in which the number of characters per screen is large and small, the CRT hard copy apparatus is constructed to include a first sampling means for sampling in the horizontal scanning direction a video signal on a CRT display of small number of characters per screen, and a second sampling means for sampling in the vertical direction to the horizontal scanning lines a video signal on a CRT display of large number of characters per screen. In addition, a switching means is provided to actuate only the first sampling means upon horizontal scanning and both the first and second sampling means upon vertical scanning.

Abstract: A multipoint display or recorder system is based upon a digital processor which controls the sampling of data points and the storage of digital values to be displayed or recorded. A digital display device or recorder (e.g. a colummn of LED's or a dot--printing thermal recorder) is controlled by the stored digital values. The processor is capable of determining independent rates for sampling the data points, refreshing the display and effecting read out to the recorder, each rate being matched to the characteristics of the corresponding peripheral (multiplexing sampler and ADC, display device and recorder). The digital processor enables other functions to be performed, e.g. display of alarm levels for the sampled variables and automatic control of the process giving rise to the variables.

Abstract: An arrangement for high speed recorders to reduce the time for recording information, comprising data storage means for storing elements of information to be recorded, recording means for recording information on a recording medium, means for transmitting said elements to said recording means, said recording means being operable to record within a predetermined time duration said elements of information transmitted from said data storage means, and means for reducing the recording time operatively associated with said data transmission means and comprising means for detecting the value of an element of information transmitted from said data storage means and means for shipping said recording step when said information has a predetermined value.

Abstract: An arrangement for making a hard copy of a cathode ray tube display. Each horizontal line of a video signal is subdivided into a predetermined number of intervals. The amplitude of the video signal within each interval is digitized, and the digitized data, after being stored in a first-in-first-out shift register, is recorded on any desired recording medium, such as heat-sensitive or electro-sensitive paper. Each horizontal line is printed along a line on the paper, and the paper is advanced by one line when the next horizontal line of the video signal is ready to be recorded. The subdividing of each horizontal line is carried out by a phase-lock loop which functions as a frequency multiplier and provides a predetermined number of pulses for each horizontal sync pulse. Each horizontal line being processed is identified by a line counter to ensure that the horizontal lines of a frame are sequentially printed.

Abstract: A group of serial-in, parallel-out shift registers has a separate output positionally corresponding to each of the pins of a multipin recording head which is maintained in marking relationship with a moving electrosensitive record sheet. Each of the shift register outputs is connected to the corresponding one of the pins by way of a pin-driving transistor which energizes its pin when a logic zero appears in the corresponding shift register output. A binary number to pin position decoder receives a binary number representing an analog input signal and repeatedly serially shifts corresponding binary bit trains into the shift registers. Due to the time required for an energized pin to mark the sheet, logic zero bits shifted into the registers cause pins to mark the sheet only after those bits are in their final loaded positions in the shift registers at the completion of each shifting operation.

Abstract: A printing apparatus for multiple signal printout has separate multiplexers for analog and pulse channels. The multiplexed analog signal is digitized, formatted, and applied via a selector to an adder, alternatively and selectively, the pulses are applied as digital signals to the adder. The adder receives zero offset numbers which differ for the different channels and the resultant numbers are applied to a one-out-of-n decoder driving printing electrodes. The system is under control of a cyclically addressed ROM whose outputs controls the multiplexing and furnishes the offset numbers. A clock sequencer times each acquisition frame.

Abstract: In a twin tube recording CRT system, apparatus is provided for accurately aligning the line scan trace of the two tubes with respect to each other. The positioning voltage applied to the vertical deflection plates of the two tubes is compared in a comparator network. When a substantial identity of the compared signals is detected by the comparator network, suitable indicating devices, such as LED's, are actuated to indicate the proper alignment, without the need for visual reference to the face of the tubes. There is also provided an interrelated skew correction circuit for the two tubes wherein a sample-and-hold circuit samples the skew correction signal for the first tube at a selected point in the sweep thereof. That sampled signal is superimposed on the skew correction signal for the second tube, to effect an offset of that skew correction signal by the amount of the sampled signal of the first tube skew correction signal.

Abstract: A trace locator for identifying in a visual display the position on a recording medium of a recorded trace representing an input signal in a multi-trace recorder. The trace position may be displayed without a movement of the recording medium to enable the possible trace to be located and positioned by observing the visual display. The visual display is sequentially advanced by successive clock signals until a predetermined amplitude of an input signal to be displayed is reached. The trace location is displayed for a preset period of time after which the display is cleared prior to a subsequent display of the trace location for either the same input signal or another input signal.

Abstract: A device for creating a display of a variable, the instantaneous values of hich are converted into a digital voltage signal which is encoded into a code created in conformity with a numerical system such as the decimal system or the octal system. The encoded signals are supplied to a control circuit which determines the highest value signal and processes this signal with signals from at least the next low valued group of signals.

Abstract: An apparatus for optically recording on a light sensitive record carrier variable measurement quantities that can be transformed into electrical current or voltage variations includes a row of light-emitting elements arranged transversely to the direction of motion of the record carrier and, in addition, an amplitude discriminator arrangement, including an integration arrangement, for addressing such elements. The output of the integration arrangement is connected to the inputs of comparators included in the discriminator, the latter comparators being also addressed, respectively, by the measurement quantities to be recorded. The outputs of the comparators are, in turn, connected to an OR logic circuit which controls an electronic switch. In an auxiliary circuit, this switch is arranged in series with further electronic switches and the light-emitting components. The further electronic switches are actuated by a cyclically operating control device.